/ Dictionary / Index P ptg.: Meaning and Definition of Find definitions for: ptg. Pronunciation: [key] printing. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pteryla PTH Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language